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| Fatigue endurance limit and crack front evolution in metallic glass 期刊论文 INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 143, 页码: 9 Authors: Lei XQ(雷现奇); 袁力超o; Peng, Liu; Sun CQ(孙成奇); Wei BC(魏炳忱); Wei YJ(魏宇杰) Adobe PDF(9123Kb)  |  Favorite  |  View/Download:365/59  |  Submit date:2021/03/03 Fatigue endurance limit Ultra-high cycle fatigue Metallic glasses Elliptical crack front Stress intensity factor |
| An in situ system for simultaneous stress measurement and optical observation of silicon thin film electrodes 期刊论文 JOURNAL OF POWER SOURCES, 2019, 卷号: 444, 页码: 5 Authors: Chen J; Yang L; Han Y; Bao YH; Zhang KL; Li X; Pang J; Chen HS; Song WL; Wei YJ(魏宇杰); Fang DN View  |  Adobe PDF(774Kb)  |  Favorite  |  View/Download:455/154  |  Submit date:2020/03/11 Lithium ion batteries Silicon film Multi-beam optical sensor (MOS) in situ stress measurement Colorimetric method |
| The effective fracture strength and fracture toughness of solids with energy dissipation confined to localized strips 期刊论文 INTERNATIONAL JOURNAL OF PLASTICITY, 2019, 卷号: 120, 页码: 47-63 Authors: Zeng XG; Wei YJ(魏宇杰) View  |  Adobe PDF(2027Kb)  |  Favorite  |  View/Download:484/131  |  Submit date:2019/09/09 Effective toughness Fracture strength Strain softening Shear banding Strip-yield model |
| The formation of discontinuous gradient regimes during crack initiation in high strength steels under very high cycle fatigue 期刊论文 INTERNATIONAL JOURNAL OF FATIGUE, 2019, 卷号: 124, 页码: 483-492 Authors: Sun CQ(孙成奇); Zhou LL(周玲玲); Liu JL; Wang Y(王垚); Wu XL(武晓雷); Wei YJ(魏宇杰) View  |  Adobe PDF(8304Kb)  |  Favorite  |  View/Download:342/136  |  Submit date:2019/09/09 Very high cycle fatigue Gradient microstructure Mechanism of crack initiation Crack growth rate |
| The influence of combined gradient structure with residual stress on crack-growth behavior in medium carbon steel 期刊论文 ENGINEERING FRACTURE MECHANICS, 2019, 卷号: 209, 页码: 369-381 Authors: Wang Y(王瑶); Yuan LC; Zhang SJ(张诗嘉); Sun CQ(孙成奇); Wang WJ; Yang GX; Li Q; Wei YJ(魏宇杰) View  |  Adobe PDF(2613Kb)  |  Favorite  |  View/Download:412/161  |  Submit date:2019/04/11 Gradient material Residual stress Fatigue crack Cyclic J-integral Crack- growth rate |
| Statistical analysis on rolling contact fatigue in railroad axle bearing steel 期刊论文 FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2019, 卷号: 42, 期号: 3, 页码: 651-663 Authors: Guo RB; Yang GX; Li ZY(李正阳); Liu ZM; Wei YJ(魏宇杰) View  |  Adobe PDF(1973Kb)  |  Favorite  |  View/Download:1687/1439  |  Submit date:2019/04/11 bearing steel crack propagation rolling contact fatigue statistical analysis |
| A dislocation-based solution for stress introduced by arbitrary volume expansion in cylinders 期刊论文 MATHEMATICS AND MECHANICS OF SOLIDS, 2019, 卷号: 24, 期号: 3, 页码: 598-615 Authors: Wen JC(温济慈); Wei YJ(魏宇杰) View  |  Adobe PDF(1461Kb)  |  Favorite  |  View/Download:401/154  |  Submit date:2019/05/29 Volume expansion shrinkage infinitesimal dislocation stress lithiation delithiation nitriding |
| Metal ductility evaluation by flattening test: The geometry dependence 期刊论文 INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, 2019, 卷号: 170, 页码: 40-48 Authors: Wang Y; Yang GX; Lei XQ(雷现奇); Li Q; Rong LJ; Hu XF; Wei YJ(魏宇杰) View  |  Adobe PDF(2257Kb)  |  Favorite  |  View/Download:470/127  |  Submit date:2019/04/11 Flattening test Plastic deformability Gerson-Tvergaard-Needleman model Failure Finite element analysis |
| Case study: The effect of running distance on the microstructure and properties of railroad axle bearings 期刊论文 WEAR, 2018, 卷号: 394, 页码: 159-165 Authors: Guo RB; Lei XQ(雷现奇); Zhang DD; Liu ZM; Wang X; Wei YJ(魏宇杰) View  |  Adobe PDF(1589Kb)  |  Favorite  |  View/Download:426/171  |  Submit date:2018/10/30 Bearing steel Fracture toughness Gradient structure Grain refinement |
| Geometric design of micron-sized crystalline silicon anodes through in situ observation of deformation and fracture behaviors 期刊论文 JOURNAL OF MATERIALS CHEMISTRY A, 2017, 卷号: 5, 期号: 25, 页码: 12793-12802 Authors: Zhang Xing-yu; Song WL; Liu ZL; Chen HS; Li T; Wei YJ(魏宇杰); Fang DN; Fang, DN (reprint author), Peking Univ, Coll Engn, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China. View  |  Adobe PDF(1944Kb)  |  Favorite  |  View/Download:396/169  |  Submit date:2017/08/15 |